What is the limit as x approaches-2 of-3x^3+5x^2-x-1 ?

The limit as x approaches-2 of-3x^3+5x^2-x-1 is 45

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limit as x approaches-2 of-3x^3+5x^2-x-1

x \to - 2 lim (- 3 x^{3} + 5 x^{2} - x - 1)

45

Solution steps

x \to - 2 lim (- 3 x^{3} + 5 x^{2} - x - 1)

Plug in the value

x = - 2

= - 3 (- 2)^{3} + 5 (- 2)^{2} - (- 2) - 1

Simplify

- 3 (- 2)^{3} + 5 (- 2)^{2} - (- 2) - 1 : 45

= 45

What is the limit as x approaches-2 of-3x^3+5x^2-x-1 ?
The limit as x approaches-2 of-3x^3+5x^2-x-1 is 45